| Name | Location | Status | Design | Year Built | Year Lost | Span Length (ft.) | Total Length (ft.) |
|---|---|---|---|---|---|---|---|
| Bayshore Blvd. Bridge | Bayshore Blvd. over Abandoned Union Pacific Railroad spur | Open to traffic | Closed-spandrel arch | 1928 | -- | 20.0 | 25.9 |
| Burleigh Murray Ranch State Park Bridge | path over Mills Creek | Abandoned in place, completely overgrown with brush | Stone arch | 1894 | -- | 10.0 | 30.0 |
| Canyon Road Bridge | Canyon Road over Landslide | Open to traffic | Bailey pony truss | 2000 | -- | 109.9 | 109.9 |
| Crystal Springs Road Bridge | Crystal Springs Road over San Mateo Creek | Open to traffic | Deck arch | 1904 | -- | 40.0 | 46.9 |
| Crystal Springs Road Bridge | Crystal Springs Road over San Mateo Creek | Open to traffic | Deck arch | 1904 | -- | 40.0 | 46.9 |
| Crystal Springs Road Bridge | Crystal Springs Road over San Mateo Creek | Open to traffic | Deck arch | 1901 | -- | 41.0 | 43.0 |
| Delaware Street Bridge | Delaware Street over San Mateo Creek | Open to traffic | Deck arch | 2000 | -- | 69.9 | 69.9 |
| Devil's Slide Bridge | Hwy 1 over Shamrock Ranch | Open to traffic | Concrete deck girder | 2013 | -- | -- | 1000.0 |
| Devil's Slide Trestle | Ocean Shore Railroad over Unnamed creek | No longer exists | Unknown | -- | -- | -- | -- |
| Devil's Slide Tunnel | Hwy 1 under Devil's Slide promontory | Open to traffic | Tunnel | 2013 | -- | 4000.0 | 4000.0 |
| Dumbarton Hetch Hetchy Pipeline Bridge | Hetch Hetchy Water Project over San Francisco Bay | Open to maintenance personel only | Pratt through truss | 1925 | -- | 107.0 | 3965.0 |
| Dumbarton Toll Bridge | Route 84 over San Francisco Bay | Demolished | Parker through truss | 1927 | 1982 | 228.3 | 6370.3 |
| Eugene A. Doran Memorial Bridge | I-280 over San Mateo Creek | Open to traffic | Deck girder | 1965 | -- | -- | -- |
| Half Moon Bay Coastal Trail - Arroyo de En Medio Bridge | Half Moon Bay Coastal Trail over Arroyo de En Medio | Open to pedestrians only | Closed-spandrel arch | -- | -- | -- | -- |
| JPBX - Airport Blvd Bridge | Caltrain over Airport Blvd | Open to traffic | Steel stringer | 1927 | -- | 43.0 | 106.0 |
| JPBX - East Poplar Ave Overpass | Caltrain & Union Pacific Railroad over East Poplar Ave | Open to traffic | Girder | 1903 | -- | 35.8 | 50.9 |
| JPBX - Henderson Overpass | UP RR over US 101 | Open to traffic | Pony/through plate girder | 1931 | -- | 110.9 | 238.9 |
| JPBX - San Francisquito Creek Bridge | Caltrain (JPBX) over San Francisquito Creek | Open to traffic | Baltimore through truss | 1902 | -- | 104.0 | 104.0 |
| JPBX - Santa Inez Ave Overpass | Caltrain & Union Pacific Railroad over Santa Inez Ave | Open to traffic | Girder | 1903 | -- | 33.1 | 51.8 |
| JPBX - Tilton Ave Overpass | Caltrain & Union Pacific Railroad over Tilton Avenue | Open to traffic | Girder | 1903 | -- | 33.1 | 51.8 |
| Kings Mountain Road Bridge | Kings Mountain Road over West Union Creek | Open to traffic | Deck arch | 1905 | -- | 22.0 | 24.9 |
| Mountain Home Road Bridge | Mountain Home Road over Bear Creek | Open to traffic | Deck arch | 1900 | -- | 34.1 | 38.1 |
| Pedro Point Tunnel | Ocean Shore Railroad under San Pedro Point | Collapsed | Tunnel | -- | -- | -- | -- |
| Pescadero Creek Bridge | Stage Road over Pescadero Creek | Replaced by a new bridge | Through truss | -- | 1961 | -- | -- |
| Pescadero Creek Bridge | State Park Road over Pescadero Creek | Open to traffic | Bailey pony truss | 2009 | -- | 13.1 | 13.1 |
| Pilarcitos Creek Bridge | Main Street over Pilarcitos Creek | Open to traffic | Deck arch | 1900 | -- | 60.0 | 80.1 |
| Pilarcitos Creek Rd Bridge | Pilarcitos Creek Rd over Pilarcitos Creek | Open to traffic with 2-ton weight limit | Deck arch | 1910 | -- | 20.0 | 25.9 |
| Railroad Avenue Bridge | Railroad Avenue over San Mateo Creek | Open to traffic | Deck arch | 1902 | -- | 28.9 | 33.1 |
| Redwood City Bridge | Highway Traffic over Redwood Creek | No longer exists | Other | 1854 | 1910 | -- | -- |
| Ryder Park Bridge | San Francisco Bay Trail over San Mateo Creek | Open to pedestrians | Steel through arch | -- | -- | 120.0 | 132.0 |
| San Francisco Bay Toll Bridge | CA Route 92 San Mateo Toll Road over San Francisco Bay | Replaced by a new bridge | Polygonal Warren through truss with no verticals | 1929 | 1968 | -- | -- |
| San Francisquito Creek Bridge | CA 82 over San Francisquito Creek | Open to traffic | Deck arch | 1913 | -- | 62.0 | 63.0 |
| San Mateo Creek Bridge | CA 82 over San Mateo Creek | Open to traffic | Deck arch | 1935 | -- | 40.0 | 44.0 |
| San Mateo Drive Bridge | San Mateo Drive over San Mateo Creek | Open to traffic | Deck arch | 1908 | -- | 30.8 | 40.0 |
| San Pedro Avenue Bridge | San Pedro Avenue over San Pedro Creek | Open to traffic | Slab | 1996 | -- | 69.9 | 137.1 |
| San Pedro Creek Bridge | CA-1 over San Pedro Creek | Open to traffic | Slab | 2015 | -- | 77.1 | 140.1 |
| South Fork San Pedro Creek Bridge | Oddstad Boulevard over South Fork San Pedro Creek | Open to traffic | Concrete culvert | 1948 | -- | 11.2 | 23.0 |
| SP - Bayshore Turntable | Southern Pacific Railroad Bayshore Roundhouse over Pit | Removed | Warren pony truss | 1941 | -- | -- | 110.0 |
| SP - Dumbarton Bridge | Caltrain over San Francisco Bay | Abandoned | Baltimore through truss | 1910 | -- | 316.0 | 7528.0 |
| SSF Centennial Trail - Cut Stone Bridge | Centennial Trail (Former Southern Pacific Railroad) over Runoff Channel | Open to pedestrians | Stone culvert | 1863 | -- | -- | -- |
| Stafford Street Bridge | Stafford Street over Cordilleras Creek | Open to traffic | Deck arch | 1903 | -- | 25.9 | 27.9 |
| University Avenue Bridge | UNIVERSITY AVE over SAN FRANCISQUITO CREEK | Open to traffic | Concrete tee beam | 1925 | -- | 48.9 | 50.9 |
| West Union Creek Bridge | CA 84 over West Union Creek | Open to traffic | Deck arch | 1903 | -- | 20.0 | 23.0 |
| Wurr Road Bridge | Wurr Road over Pescadero Creek | Open to traffic | Steel stringer | 1962 | -- | 51.2 | 90.9 |